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authorDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:22 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:22 +0000
commit3a1720af1d7f43edc5b214cde0be11bfb94d077e (patch)
tree029e0ff2d5e3c0eaf2405fd8e669555fdf5e1297 /lib/scudo/standalone/common.cpp
parent8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab (diff)
downloadsrc-vendor/compiler-rt.tar.gz
src-vendor/compiler-rt.zip
Vendor import of stripped compiler-rt trunk r375505, the last commitvendor/compiler-rt/compiler-rt-trunk-r375505vendor/compiler-rt
before the upstream Subversion repository was made read-only, and the LLVM project migrated to GitHub: https://llvm.org/svn/llvm-project/compiler-rt/trunk@375505
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=353944 svn path=/vendor/compiler-rt/compiler-rt-r375505/; revision=353945; tag=vendor/compiler-rt/compiler-rt-trunk-r375505
Diffstat (limited to 'lib/scudo/standalone/common.cpp')
-rw-r--r--lib/scudo/standalone/common.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/scudo/standalone/common.cpp b/lib/scudo/standalone/common.cpp
new file mode 100644
index 000000000000..d93bfc59b3ca
--- /dev/null
+++ b/lib/scudo/standalone/common.cpp
@@ -0,0 +1,32 @@
+//===-- common.cpp ----------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "common.h"
+#include "atomic_helpers.h"
+
+namespace scudo {
+
+uptr PageSizeCached;
+uptr getPageSize();
+
+uptr getPageSizeSlow() {
+ PageSizeCached = getPageSize();
+ CHECK_NE(PageSizeCached, 0);
+ return PageSizeCached;
+}
+
+// Fatal internal map() or unmap() error (potentially OOM related).
+void NORETURN dieOnMapUnmapError(bool OutOfMemory) {
+ outputRaw("Scudo ERROR: internal map or unmap failure");
+ if (OutOfMemory)
+ outputRaw(" (OOM)");
+ outputRaw("\n");
+ die();
+}
+
+} // namespace scudo